How LARGE are you talking about - 3,000 gallons -NO , but 30 gallons or so is Ok =K if weight is not concentrated on one spot.
Very large.
mobile home
A mobile home deck plan is a separate foundation not attached to the mobile home itself. It is used to support the mobile home. The benefit of having a mobile home deck is to be able to move your mobile home from one place to another without having to rip out the foundation.
A mobile home is a large unit pre-built in a factory and taken on wheels to a site. That is the only sense that it is "mobile". - It is possible, but not easy to put them on wheels and move them.
A park model is a mobile home (which means it's anchored in a park,usually on blocks) -An RV is basically a travelling home, not nearly as large as most mobile homes.
In large notes, preferably hundreds.
The oldest models where as big as wireless home phones.
an aquarium or habitat
Please re-phrase this so your meaning is clear.
Mobile home costs run the whole range from 10,000 for a run down but repairable to almost 200,000 for a brand new large double wide.
I've never heard of there being any weight limit. I have put large tubs in a few mobiles and had no problem. Joists are 16" apart in the floor and can support a lot of weight.
The Virgin Mobile antenna booster gives you a better signal in your home by virtue of its large antenna.